Environment Canada Warns Of Warm TemperaturesSeptember 5, 2015 4:03pm
Southern Perth County is currently under a heat warning from Environment Canada.
The national weather service says peak humidex values near 40 are forecast for Sunday and Monday.
Officials say it will remain very humid Tuesday, with maximum temperatures in the high twenties.
Forecasters say these conditions may produce much discomfort for those who may not have access to a cool or air-conditioned place.